@misc{indiciaeed0433777f5a,
  title = {Riddle folio, Oregon},
  author = {Joseph Silas Diller and George Frederick Kay},
  year = {1924},
  doi = {10.3133/gf218},
  url = {https://pubs.usgs.gov/publication/gf218},
  note = {Source identifier: gf218}
}